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3. Low-cost infrared sensing system for monitoring the welding process in the presence of plate inclination angle;Fan;JMaterProcessTechnol,2003
4. Real-time monitoring of weld pool during GTAW using infra-red thermograpghy and analysis of infra-red thermal images;Vasudevan;WeldWorld,2011
5. A study of arc force, pool depression, and weld penetration during gas tungsten arc welding;Rokhlin;Weld J,1993